Acorn books provide carefully levelled non-fiction to introduce key curriculum concepts. This series introduces different properties of materials and helps to develop descriptive vocabulary. Includes notes for parents and teachers.
Explains displacement and fundamentals of sailing, gives directions for building a catamaran and a hovercraft, and suggests experiments showing how things float.
Explains displacement and fundamentals of sailing, gives directions for building a catamaran and a hovercraft, and suggests experiments showing how things float.